Red Sox's Triston Casas Still Awaiting Running, Sliding Clearance on Knee

Boston Red Sox first baseman Triston Casas has yet to test his surgically repaired left knee with running or sliding, as reported by Chris Cotillo of MassLive.com. While his rehab from patellar tendon surgery is progressing well, the 26-year-old still needs to clear several hurdles before being cleared for game action. Casas remains optimistic about being ready for Opening Day with an affiliate, though a return to the Red Sox's big league club by then is considered unlikely. The team plans to proceed cautiously with his recovery, potentially utilizing him at designated hitter upon his return.